OpenTechnical

OT-2026-000100062

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000100062) never changes.

Identity and time

Publication numberOT-2026-000100062 · never reused
Internal UUID01a0aea3-1474-727b-a7b3-7d64ee9b95f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100062
StatusPUBLIC

Content hashes

Canonical textdda172c23312be67234399c4d59f4cd6db1f9acd92c0d4de2e974ab258ae4f83
Markdown2a18bddcadfa13e46346c63f4dcca70ffeef4befddde7222576728d4e2db0cba
PDF
Publication page722efeea9539771fb572729f7dcbc98a19cd96ba8b42481ede7f60aaa75b1f38
Manifest43584f185198ea42f98f0a20d559f2a0b36f34c67addca89367e29e9878c467c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturelLGBATcPnInWPsiZFICQAYY/gdipl7dIJl93dFH++eVF2V63vF5i42mVH1m9y+uotTnnFVacR2dtBGPCni4GDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:00.432448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100062
observed 722efeea9539771fb572729f7dcbc98a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.410391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100062/manifest.json
observed 43584f185198ea42f98f0a20d559f2a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.391030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100062/publication.md
observed 2a18bddcadfa13e46346c63f4dcca70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.304293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100062/publication.txt
observed dda172c23312be67234399c4d59f4cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.